package idv.loveloser.dao;

import java.util.List;
import org.hibernate.LockMode;
import org.hibernate.Query;
import org.hibernate.criterion.Example;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * A data access object (DAO) providing persistence and search support for
 * MdlQtypeEssayOptions entities. Transaction control of the save(), update()
 * and delete() operations can directly support Spring container-managed
 * transactions or they can be augmented to handle user-managed Spring
 * transactions. Each of these methods provides additional information for how
 * to configure it for the desired type of transaction control.
 * 
 * @see idv.loveloser.dao.MdlQtypeEssayOptions
 * @author MyEclipse Persistence Tools
 */

public class MdlQtypeEssayOptionsDAO extends BaseHibernateDAO {
	private static final Logger log = LoggerFactory
			.getLogger(MdlQtypeEssayOptionsDAO.class);
	// property constants
	public static final String QUESTIONID = "questionid";
	public static final String RESPONSEFORMAT = "responseformat";
	public static final String RESPONSEFIELDLINES = "responsefieldlines";
	public static final String ATTACHMENTS = "attachments";
	public static final String GRADERINFO = "graderinfo";
	public static final String GRADERINFOFORMAT = "graderinfoformat";

	public void save(MdlQtypeEssayOptions transientInstance) {
		log.debug("saving MdlQtypeEssayOptions instance");
		try {
			getSession().save(transientInstance);
			log.debug("save successful");
		} catch (RuntimeException re) {
			log.error("save failed", re);
			throw re;
		}
	}

	public void delete(MdlQtypeEssayOptions persistentInstance) {
		log.debug("deleting MdlQtypeEssayOptions instance");
		try {
			getSession().delete(persistentInstance);
			log.debug("delete successful");
		} catch (RuntimeException re) {
			log.error("delete failed", re);
			throw re;
		}
	}

	public MdlQtypeEssayOptions findById(java.lang.Long id) {
		log.debug("getting MdlQtypeEssayOptions instance with id: " + id);
		try {
			MdlQtypeEssayOptions instance = (MdlQtypeEssayOptions) getSession()
					.get("idv.loveloser.dao.MdlQtypeEssayOptions", id);
			return instance;
		} catch (RuntimeException re) {
			log.error("get failed", re);
			throw re;
		}
	}

	public List findByExample(MdlQtypeEssayOptions instance) {
		log.debug("finding MdlQtypeEssayOptions instance by example");
		try {
			List results = getSession()
					.createCriteria("idv.loveloser.dao.MdlQtypeEssayOptions")
					.add(Example.create(instance)).list();
			log.debug("find by example successful, result size: "
					+ results.size());
			return results;
		} catch (RuntimeException re) {
			log.error("find by example failed", re);
			throw re;
		}
	}

	public List findByProperty(String propertyName, Object value) {
		log.debug("finding MdlQtypeEssayOptions instance with property: "
				+ propertyName + ", value: " + value);
		try {
			String queryString = "from MdlQtypeEssayOptions as model where model."
					+ propertyName + "= ?";
			Query queryObject = getSession().createQuery(queryString);
			queryObject.setParameter(0, value);
			return queryObject.list();
		} catch (RuntimeException re) {
			log.error("find by property name failed", re);
			throw re;
		}
	}

	public List findByQuestionid(Object questionid) {
		return findByProperty(QUESTIONID, questionid);
	}

	public List findByResponseformat(Object responseformat) {
		return findByProperty(RESPONSEFORMAT, responseformat);
	}

	public List findByResponsefieldlines(Object responsefieldlines) {
		return findByProperty(RESPONSEFIELDLINES, responsefieldlines);
	}

	public List findByAttachments(Object attachments) {
		return findByProperty(ATTACHMENTS, attachments);
	}

	public List findByGraderinfo(Object graderinfo) {
		return findByProperty(GRADERINFO, graderinfo);
	}

	public List findByGraderinfoformat(Object graderinfoformat) {
		return findByProperty(GRADERINFOFORMAT, graderinfoformat);
	}

	public List findAll() {
		log.debug("finding all MdlQtypeEssayOptions instances");
		try {
			String queryString = "from MdlQtypeEssayOptions";
			Query queryObject = getSession().createQuery(queryString);
			return queryObject.list();
		} catch (RuntimeException re) {
			log.error("find all failed", re);
			throw re;
		}
	}

	public MdlQtypeEssayOptions merge(MdlQtypeEssayOptions detachedInstance) {
		log.debug("merging MdlQtypeEssayOptions instance");
		try {
			MdlQtypeEssayOptions result = (MdlQtypeEssayOptions) getSession()
					.merge(detachedInstance);
			log.debug("merge successful");
			return result;
		} catch (RuntimeException re) {
			log.error("merge failed", re);
			throw re;
		}
	}

	public void attachDirty(MdlQtypeEssayOptions instance) {
		log.debug("attaching dirty MdlQtypeEssayOptions instance");
		try {
			getSession().saveOrUpdate(instance);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}

	public void attachClean(MdlQtypeEssayOptions instance) {
		log.debug("attaching clean MdlQtypeEssayOptions instance");
		try {
			getSession().lock(instance, LockMode.NONE);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}
}